John S Lean is a Laguna Hills, California based male Ophthalmologist with 54 years of experience in Ophthalmology. He completed his graduation from Other in 1971. He accepts the Medicare-approved amount. Patients will not be billed for any more than the Medicare deductible and coinsurance. Active license number of John S Lean is A41624 in California.
John S Lean is medically trained to diagnose, monitor and medically or surgically treat all ocular and visual disorders. This includes problems affecting the eye and its component structures, the eyelids, the orbit and the visual pathways. In so doing, patients can be prescribed vision services, including glasses and contact lenses.
Complete Profile:
John S Lean speciality, credentials, practice address, contact phone number and fax are as below.
Patients can directly walk in or can call on the below given phone number for appointment.
| Specialization: | Ophthalmology |
| Credentials: | M D F R C S |
| Experience: | 54+ years |
| Medical School Attended: | Other |
| Graduation Year: | 1971 |
| Gender: | Male |
| Accepts Medicare Assignment: | Yes |
| Practice Address: | 23521 Paseo De Valencia, #207, Laguna Hills, California, 92653-3107 |
| Phone: | 949-707-5125 |
| Fax: | 949-707-5129 |
Professional Identification Codes:
NPI number stands for National Provider Identifier which is a unique 10-digit identification number issued to health care providers in the United States by the Centers for Medicare and Medicaid Services (CMS).
NPI details are as mentioned below.
| PAC ID: | 4284732512 |
| Enrollment ID: | I20070608000580 |
| NPI Number: | 1962513465 |
| NPI Enumeration Date: | 31 Aug, 2006 |
| NPI Last Update On: | 31 Mar, 2017 |
Medical Licenses:
Doctors can have one or more medical licenses for different specialities in the same state or different states. Related medical licenses for John S Lean are as mentioned below.
| License Number | Specialization | State | Status | |
| A41624 | | California | Primary | |
| A41624 | Ophthalmology | California | Secondary | |
Group Practice:
Group practices are run by a group of physicians who share their premises and other resources. Following list states all the group name
with which John S Lean has association with along with the number of members in that group.
| Organization Name (Group PAC ID) | Members |
| Retina Associates Of Orange County (8729159629) | 5 |
Other Medical Identifiers:
Other legacy medical identifiers associated with John S Lean such as Medicaid, Medicare PIN, NSC, UPIN etc. are mentioned as below.
| Identifier | Type | State | Issuer |
| 00A416241 | Medicaid | California | |
Business Mailing Address:
Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned address.
| Address: | 23521 Paseo De Valencia, #207 Laguna Hills, California |
| Zip: | 92653-3107 |
| Phone Number: | 949-707-5125 |
| Fax Number: | 949-707-5129 |
Patients can reach John S Lean at
23521 Paseo De Valencia, #207, Laguna Hills, California or can
call to book an appointment on 949-707-5125.
Comments/ Reviews:
Patients can read all the reviews posted for John S Lean below. You may also share your own experience like the quality of treatment, behavior, and overall care provided by John S Lean. It will help others make informed decisions.
** Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 08 December, 2025.